Etymograph

English

scale cube

From scale + cube.

A compound of scale + cube

Proto-Indo-European *skend- ‘to jump up, ascend’

Proto-Indo-European *(s)kn̥d-sleh₂

Proto-Italic *skand-slā

Latin scāla ‘ladder; stairs’

Middle English scale ‘ladder’

English scale

Ancient Greek κύβος

Latin cubus ‘a cube’

Old French cube

English cube

Today it means

noun A reference cube of standard, unitary size, normally one centimetre long, or one inch long for older American versions, placed beside a rock or meteorite sample to show scale and orientation during photography. Four sides of the cube are marked N, S, E, and W, respectively, to indicate the cardinal points of the compass, and the other two sides are marked T and B, for top and bottom.

Sources

Sources: Wiktionary, “scale cube”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / scale cube